{ pkgs, ... }:
let
  mikuTheme = pkgs.stdenv.mkDerivation {
    name = "plymouth-theme-miku";
    src = ./miku;
    installPhase = ''
      mkdir -p $out/share/plymouth/themes/miku/frames
      cp miku.plymouth $out/share/plymouth/themes/miku/
      cp miku.script $out/share/plymouth/themes/miku/
      cp images/frames/*.png $out/share/plymouth/themes/miku/frames/
    '';
  };
in
{
  boot = {
    plymouth = {
      enable = true;
      theme = "miku";
      themePackages = [
        mikuTheme
      ];
    };

    # Enable "Silent boot"
    consoleLogLevel = 3;
    initrd.verbose = false;
    kernelParams = [
      "quiet"
      "splash"
      "boot.shell_on_fail"
      "udev.log_priority=3"
      "rd.systemd.show_status=auto"
    ];
    loader.timeout = 0;
  };
}